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Level Ranges
Acceleration : Metric
Acceleration : g
LOW
0.05 – 200 m/s
2
LOW
0.0051 – 20.4g
HIGH
0.50 – 2000 m/s
2
HIGH
0.051 – 204g
Frequency Weightings
Wh weighting as defined in ISO 8041:2005.
Wh Filter Frequency Response: -
-70
-60
-50
-40
-30
-20
-10
0
0.10
1.00
10.00
100.00
1000.00
10000.00
G
ai
n (
dB
)
Frequency (Hz)
Deviations re 80Hz in dB and tolerances required for a typical Vexo H
instrument: -
Frequency
(Hz)
Wh
Tolerance
1
0.2
+2, -∞
2
0.2
+2, -∞
4
0.2
+2, -∞
8
0.1
±2
12.5
0.0
±1
20
0.0
±1
40
0.0
±1
80
REF
±1
160
0.0
±1
315
0.0
±1
630
-0.1
±1
1000
-0.2
±2
2000
-1.3
+2, -∞
4000
-6.1
+2, -∞